The hubs are the mounts for your vehicle’s wheels, and the bearings inside the hubs allow them to turn freely. The condition of your wheel bearings is critical for both performance and safety. Bearings that are loose and worn can cause noise and vibration, and severely damaged bearings could even cause loss of the wheel. If you feel vibration or hear grinding, humming, rumbling or growling noise, your wheel bearings should be checked.

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There are 3 hub and bearing configurations. The most common today is the unit, or integral hub and bearing assembly that often includes the ABS sensor. These cannot be disassembled and are replaced as a unit. Some hub unit bearings on front wheel drive vehicles require removal of the steering knuckle, and the bearing and hub are then pressed apart and back together. Finally, there are non-driven axle hubs with opposed, replaceable tapered roller bearings.


Inspecting unit bearings requires listening, feel, and measurement. If the vibration and noise you hear when driving in a straight line gets louder when you turn the steering wheel to the right or left, the side opposite the noise most likely has defective bearings. After raising and safely supporting the vehicle, rotate the wheel while pushing in and out and feel for roughness. Remove the brake caliper and rotor, grasp the hub and perform the same inspection. Finally, mount a dial indicator, positioning the tip against the hub. Check for play and compare with manufacturer’s specifications.

Replaceable tapered roller bearings can be checked for roughness once play is removed, but the most accurate inspection requires that the hub be removed, the bearings cleaned and then visually inspected. Check the rollers and races (cups) for signs of scoring, spalling, brinelling, peeling, corrosion, looseness, and any other signs of damage. If replacement is required, new races must be installed in the hub and the bearings and hub cavity thoroughly packed with a quality high temperature, extreme pressure wheel bearing grease. Upon reinstallation, the bearing end-play must be adjusted to specification.

Regardless of the type of bearings on your car or truck, or the damage incurred, we have the replacement hub and bearing assemblies, wheel hub repair kits, and individual bearings and seals, to restore safe operation. We also have a large selection of related components like bolts and wheel studs, so you can perform a complete repair. All parts are manufactured to meet or exceed the vehicle manufacturer’s specifications, so you can be assured of precise fitment, flawless performance, and long lasting durability.

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    Wheel Bearings: Descriptions of Bearings, Races, Seals, and Hubs
    Wheel bearings are as old and important as the wheel itself thanks to their ability to allow free rotation without the damaging effects of friction and wear. In this article, we’ll define and discuss the individual components so that you are better informed when you are ready to purchase replacement wheel bearings, hubs, seals, and components. We’ll also cover the differences between “wheel bearings” or “axle bearings” mounted at the wheel itself along with “axle shaft bearings” located further inboard along axle shafts. “Bearings” are actually the small round pieces that spin within a bearing assembly. Even though bearings come in a variety of shapes, they all serve the same basic purpose.

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Wheel Hub Assemblies Reviews

Average rating:  4.5  4.7 - 83 reviews
Read All Wheel Hubs, Bearings, Seals Reviews
4.3 of 5
Not Sure Why It's Called A Repair Kit.
Overall, pretty satisfied. Seems to have a smaller diameter stud opening.
SPosted by Shayne (Spring Green, WI) /
1998 Dodge Neon
Was this review helpful for you? Yes
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